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Light, Photosynthesis, and Cellular Respiration Unit Review

Terms in this set (29)

Wavelength
Distance between two peaks or two troughs
Peak
Highest point in a wave
Trough
Lowest point in a wave
Pigment
Molecules that will absorb certain wavelengths
Reflection
When light bounces off a surface
Visible light color that carries the least amount of energy
Red light
Visible light color that carries the most amount of energy
Violet light
Absorption
When light is "captured" by the surface
Color when all light is absorbed
Black light
Color when all light is reflected
White light
Photosynthesis
Process that plants go through to convert sunlight and carbon dioxide into energy (sugar) and oxygen
Photosynthesis equation
6CO2 + 6H2O + sunlight --> C6H12O6 + 6O2
Law of Conservation of Matter
Law that states "matter cannot be created or destroyed-it can only change its form"
Chlorophyll
Pigment found in the chloroplasts of plants; gives plants their green color
Photosynthesis reactants
6 carbon dioxide molecules, 6 water molecules, and sunlight (light energy)
Photosynthesis products
Sugar molecule (glucose) and 6 oxygen molecules
Glucose
Sugar molecule that is made through the process of photosynthesis
Chloroplast
Organelle where photosynthesis takes place
Amplitude
Determines how much energy the light wave will carry
Cellular Respiration
Chemical reaction where cells use oxygen to convert sugar into usable chemical energy
Mitochondria
Organelle that cellular respiration takes place in
Cellular Respiration reactants
Oxygen and sugar (glucose)
Cellular Respiration products
Water, carbon dioxide, and (releases) chemical energy
Photosynthesis
Process that provides the sugar (glucose) for cellular respiration
Cellular Respiration equation
C6H12O6 + 6O2 --> 6CO2 + 6H2O + chemical energy
Who goes through cellular respiration
Plants and animals
Carbon cycle
How carbon is recycled through the living and non-living things (photosynthesis and cellular respiration)
Reactants
Compounds and molecules that are used in a chemical reaction
Products
Compounds and molecules that are made in a chemical reaction
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